System with salt-based color adjustment of substrate

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United States of America

PATENT NO 12197059
APP PUB NO 20230314858A1
SERIAL NO

18192248

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Abstract

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In a first aspect, the present disclosure relates to a system comprising a writing instrument, wherein the writing instrument comprises a solution of one or more salts and a writing orifice. Furthermore, the system comprises a drawing substrate configured to change color based on the concentration of the one or more salts and/or water content, wherein the drawing substrate comprises cholesteric liquid-crystals.

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Patent Owner(s)

Patent OwnerAddress
BIC VIOLEX SINGLE MEMBER S A58 AGHIOU ATHANASIOU STREET ANOIXI 14569

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chrysanthakopoulos, Nikolaos Anoixi, GR 20 18

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